At the beach, John noticed that much of the sand had been eroded by the wind. One way to decrease the amount of erosion on this beach would be to
A.
plant vegetation on the beach.
B.
have more people visit the beach.
C.
remove vegetation from the beach.
D.
have people stop going to the beach.

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.